SVILAINIS, Linas; CHAZIACHMETOVAS, Andrius; GOMEZ ALVAREZ-ARENAS, Tomas E. Ultrasonic Air Coupled Transducer Output Impedance Measurement Technique. Elektronika ir Elektrotechnika, [S. l.], v. 25, n. 1, p. 18–25, 2019. DOI: 10.5755/j01.eie.25.1.22731. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/22731.. Acesso em: 22 jan. 2026.